Storeroom Knob Set, Heavy Duty, Grade 2 Security Grade, 2-3/4 in Backset Size, 1-3/8 - 1-3/4 in Door Thickness, 6, 7 Pin, SCC Keyway, T-Style Strike, 1-1/8 x 2-3/4 in Strike Size, Stainless Steel, Zinc Dichromate, Silver
- Heavy duty commercial storeroom ball knob.
- It is UL listed for a 3 hour fire door.
- The Keying features are a 6 or 7 pin SCC keyway with 2 nickel keys per lock.
- The door range is 1 3/8-inch to 1 3/4-inch.
- It has a standard 2-3/4-inch backset and standard T strike (1 1/8-inch x 2 3/4-inch). This is made out of cylindrical steel coated with zinc dichromate (corrosion resistance). Latch is operated by rotating inside knob or key in outside knob.
- Outside knob is always fixed.
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